Home › Manufacturers › Siemens › 5SJ4118-7HG42

Siemens

Siemens 5SJ4118-7HG42 1-Pole C-Curve Circuit Breaker - 15A

Siemens 5SJ4118-7HG42 1-pole, C-curve, 15A miniature circuit breaker.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number5SJ4118-7HG42

Type Miniature Circuit Breaker

Poles 1

Current Rating 15 A

Tripping Characteristic C

Get a price for 5SJ4118-7HG42

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

1-pole design C-curve tripping 10kA interrupting capacity UL 489 listed 15A rating

Product description

The Siemens 5SJ4118-7HG42 is a single-pole miniature circuit breaker designed for reliable overcurrent protection. It features a C-curve tripping characteristic, a 15A current rating, and a short-circuit breaking capacity of 10kA. This breaker is compliant with UL 489 standards and rated for 277V.

This circuit breaker is suitable for a wide range of applications in industrial and commercial settings, including distribution boards, control panels, and motor protection. Its C-curve is ideal for protecting circuits with moderate inrush currents, common in lighting and control systems.

Stanlo Automation, a veteran-owned business, offers this Siemens 5SJ4118-7HG42 as a surplus part. We provide high-quality, tested components to help you complete your automation projects efficiently and cost-effectively.

Technical specifications

Type	Miniature Circuit Breaker
Poles	1
Current Rating	15 A
Tripping Characteristic	C
Breaking Capacity	10 kA
Voltage Rating	277V AC
Standard	UL 489

Common applications

Industrial control panels

Commercial electrical distribution

Motor protection

Lighting circuits

HVAC systems

Compatible systems

Control panels Distribution boards Electrical enclosures

Also known as

Siemens 5SJ4118-7HG42 5SJ4 Series circuit breaker

Replaces / compatible with

This part is a direct replacement for other Siemens 5SJ4 series breakers with similar specifications. Consult the manufacturer's documentation for exact compatibility.

Technical note

Expert tip

The C-curve characteristic is suitable for circuits with moderate inductive loads, providing protection against short circuits while allowing for brief inrush currents typical of certain equipment.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the breaking capacity of the Siemens 5SJ4118-7HG42 circuit breaker?

The Siemens 5SJ4118-7HG42 circuit breaker has a short-circuit breaking capacity of 10kA. This rating ensures it can safely interrupt fault currents up to this level, protecting downstream equipment and preventing hazards.